Description : I am a two-digit number. All my digits are even. No two digits are the same. None of my digits are prime numbers. I am not a multiple of ten. My tens digit is bigger than my other numbers. ... big the number is) of all the other options with their digits added together. What number am I? -Riddles
Last Answer : If you followed all the steps apart from the last one there will be three options remaining: 64, 84, and 86. You then had to add up the digits, 64=6+4=10, 84=8+4=12, and 86=8+6=14. ... biggest number (12) and put it back as it was before the digits were added together and your answer should be 84.
Description : I am a three-digit number. All of my digits are prime. One of the numbers is even. Each of my numbers are used only once. The total of my first and last digits equals 10. The total of my first two digits equals 5. -Riddles
Last Answer : This one is fairly easy if you use elimination if you follow all the first 5 steps you get three options: 525, 327, and 723 but if you followed the last step you would reach your answer. The answer was 327.
Description : 10.) A two-digit number is prime. When you reverse the digits, that number is also prime. What could the number be List three possibilities.?
Last Answer : Some numbers that you can get when you reverse the digits and they are still prime numbers are: 403 ÷ 13 = 31 2,701 ÷ 37 = 73 1,207 ÷ 17 = 71
Description : When the celebrated German mathematician Karl Friedrich Gauss (1777-1855) was nine he was asked to add all the integers from 1 through 100. He quickly added 1 to 100, 2 to 99, and so on for 50 pairs ... 1,000,000,000.That's all the digits in all the numbers, not all the numbers themselves. -Riddles
Last Answer : The numbers can be grouped by pairs: 999,999,999 and 0; 999,999,998 and 1' 999,999,997 and 2; and so on.... There are half a billion pairs, and the sum of the digits in each pair is 81. The digits in the unpaired number, 1,000,000,000, add to 1. Then: (500,000,000 X 81) + 1= 40,500,000,001.
Description : How many different numbers greater than 60000 can be formed with the digits 0, 2, 2, 6, 8? -Maths 9th
Last Answer : answer:
Description : How many natural numbers not exceeding 4321 can be formed with the digits 1, 2, 3, 4 if repetition is allowed? -Maths 9th
Description : A number say z is exactly the four times the sum of its digits and twice the product of the digits. Find the numbers -Maths 10th
Last Answer : This is the Answer
Description : When you add two numbers and the number obtained by reversing the order of its digits is 165. If the both numbers differ by three, find the number. -Maths 10th
Last Answer : Let the No. Be xy ATGC , xy + yx = 165 10x + y + 10y+x = 165 11x + 11y = 165 Divide Both sides By 11 x + y = 15 __________(1) Also,x ... By 1 and 2 we get 2x = 18 x = 9 y = 6 so the number is So the number is 96 or 69 ______________________
Description : Cubes of the numbers for which the digits in the units place are 2,8 nd 3,7 end s in _________ and respectively.
Last Answer : Cubes of the numbers for which the digits in the units place are 2,8 nd 3,7 end s in _________ and respectively.
Description : What digits to our numbers have in the ones place?
Last Answer : Need answer
Description : What digits might composite numbers greater than 10 have in the ones place. 12345.?
Last Answer : Composite numbers can have any digit in the ones place:All multiples of 3 greater than 10 will be composite numbers(the first one being 3 4 = 12).The last digit of the multiples of 3 follow the pattern( ... 5, 6, 7, 8, 9}.Thus the last digit of composite numbers greater than 10 cancontain any digit.
Description : What are the numbers in the smallest group of repeating digits when 4111 is converted to a nonterminating decimal?
Last Answer : 4111 is an integer and so there is no sensible way to convert itinto a repeating decimal.
Description : How many 7-digit numbers can be formed using the digits 1 2 3 4 and 8?
Last Answer : What is the answer ?
Description : How many 3-digit numbers are there in which the product of those 3 digits is 9?
Last Answer : 119, 191, 911, 331, 313, 133
Description : The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately A) 16 digits B) 6 digits C) 9 digits D) All of above
Last Answer : Answer : A
Description : Which is true for Digital Computer: a) It is less accurate than analog computer b) It is used primarily in scientific applications c) It represents the decimal numbers through a string of binary digits d) None of The Above
Last Answer : b) It is used primarily in scientific applications
Description : How many numbers greater than 400 can be formed with digits 3,4,8,9 with no digits being repeated? a) 24 b) 18 c) 42 d) 45
Last Answer : c) 42
Description : The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately a. 16 digits b. 6 digits c. 9 digits d. All of above
Last Answer : d. All of above
Description : One writes all numbers from 50 to 99 without the digits 2 and 7. How many numbers have been written? (A) 32 (B) 36 (C) 40 (D) 38
Last Answer : Answer: A
Description : If there are n integers to sort, each integer has d digits and each digit is in the set {1,2, ..., k}, radix sort can sort the numbers in: (A) O(d n k) (B) O(d nk) (C) O((d+n)k) (D) O(d(n+k))
Last Answer : (D) O(d(n+k))
Description : If a whole number between 100 and 999 has 3 different non zero digits What is the least possible value of the sum of its digits?
Last Answer : 6
Description : Find the least number of five digits which is exactly divisible by 12, 15 and 18. (a) 1080 (b) 10080 (c) 10025 (d) 11080
Last Answer : 10080 Hint : The least number of 5 digits is 10000. L.C.M. of 12, 15 and 18 is 180 . On dividing 10000 is 100. => 10000 + 180- 100 = 10080 is divisible by 180.
Description : An integer constant in C must have A) At least one digit B) At least one decimal point C) A comma along with digits D) Digits separated by commas
Last Answer : A) At least one digit
Description : Prime numbers in Ancient Computer?
Last Answer : I saw that program. It was cool. However, 235 is not a prime number because it can be divided by 5.
Description : What's the longest known sequence of non-prime numbers?
Last Answer : My guess would be that such sequences grow in length with as number size gets larger. Prime numbers become increasing scarce as numbers get larger, making it more likely to find long sequences of primes.
Description : Write three prime numbers which multiply to get 462?
Last Answer : 2x21x11
Description : Prime numbers between 8 and 56?
Last Answer : less than 100
Description : List all the prime numbers between 8 and 56?
Description : Give two prime numbers whose sum is?
Last Answer : 23 and 29
Description : prime numbers of 50-60?
Last Answer : A Prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.53,59 are the two prime numbers
Description : List the prime numbers between 20 and 30?
Last Answer : Prime and composite numbers
Description : What is the average of the first four prime numbers greater than 10?
Last Answer : The first four prime numbers greater than 10 are , 11, 13,17,19Their mean is(11 + 13 + 17 + 19) / 4 = 15NB '15' is NOT a Prime number.
Description : How Express 840 as the product of prime numbers?
Last Answer : 2x2x2x3x5x7.
Description : How many prime numbers are there between 10 and 30 ?
Last Answer : There are six prime numbers between 10 and 30 11,13,17,19,23,29
Description : How many prime numbers are there from 1 to 31 ?
Last Answer : 11 is a prime number from 1 to 31. For example , 2 , 3 , 5 , 6 , 11 , 13 , 18 , 19 , 23 , 29 , 31
Description : What is the sum of the prime numbers from 1-100 ?
Last Answer : 2 , 3 , 5 , 6 , 11 , 13 , 18 , 19 , 23 , 29 , 31 , 36 , 41 , 43 , 48 , 53 , 59 , 61 , 7 , 81 , 63 , 69 , 63 , 69 and 96 = sum of 1080.
Last Answer : 2,3,5,7, prime number
Last Answer : Most Small Prime Numbers Yes 2.
Description : Is `2^(3-n)` a prime number for all natural numbers n?
Last Answer : Is `2^(3-n)` a prime number for all natural numbers n?
Description : What are the prime numbers between 29 and 49?
Description : What 2 prime numbers equal 32?
Description : What fraction of numbers from 1 to 50 are prime numbers?
Last Answer : It is 15/50 = 3/10.
Description : What four prime numbers multiply to make 225?
Last Answer : They are: 3*3*5*5 = 225
Description : What three prime numbers multiply to make 50?
Last Answer : They are 2*5*5 = 50
Description : What are the two prime numbers between 25 and 35?
Last Answer : 29 and 31
Description : What 2 prime numbers go into 48?
Last Answer : They are 2 and 3
Description : What 3 prime numbers multiply to make 54?
Last Answer : There are 4 of them which are 2*3*3*3 = 54
Description : What is 250 product of prime numbers?
Last Answer : 2 x 5 x 5 x 5
Description : Which of these numbers prime 20 or 21 or 22 or 23 or 24?
Last Answer : You can work this out, Prime numbers can only be divided bythemselves or 1. Therefore as 20 can be divided by 2 it it notprime. The same is true for 22 and 24. Thus the prime must beeither 21 or 23.See if either of these numbers can be divided by 7, if it canthen the prime must be the other number.